Updated: Jun 02, 2026
Location and Projects
Address
19 Fieldstone Way, Plymouth, MA, 02360
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M.T. McMahons & Son HVAC/Mechanical Contractor
M.T. McMahons & Son, Inc at 19 Fieldstone Way, Plymouth, MA 02360, held a HVAC/Mechanical Contractor license (#NAT-36271-2) with the Environmental Protection Agency contractors license board with an expiration date of 06-15-2022. We last verified the license was expired on 01-09-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 139,240 Massachusetts contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
M.T. McMahons & Son, Inc Contact Information
Phone Number: (781) 831-1234
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Address: 19 Fieldstone Way, Plymouth, MA 02360
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M.T. McMahons & Son, Inc Plymouth
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are M.T. McMahons & Son, Inc, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
16 projects
|
2024 |
|
41 projects
|
2023 |
Our building permit records indicate that M.T. McMahons & Son, Inc has worked on at least
58.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
44 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that M.T. McMahons & Son, Inc mostly works on
hvac project
projects.
Pricing
|
18 projects
|
< $5k |
|
36 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $7,700. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by M.T. McMahons & Son, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Weatherization air sealing weatherstripping cellulose
Valuation:
$10,700
Permit #:
EX-022629-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstripping cellulose
Valuation:
$7,800
Permit #:
EX-023677-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weather stripping & cellulose
Valuation:
$7,000
Permit #:
EX-024287-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Apply spray foam to crawlspace walls install poly vapor barrier over dirt crawlspace to prevent moisture penetration into residence
Valuation:
$4,300
Permit #:
BLD-23-001881
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Air seal attic floor addition cellulose insulation on top of existing insulation vent bathroom fan addition rigid insulation board to crawlspace walls
Valuation:
$4,100
Permit #:
R-21-193
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstripping celulose spray foam
Valuation:
$5,200
Permit #:
EX-021957-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weather stripping and blown cellulose
Valuation:
$7,900
Permit #:
BLD-20-000714
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing cellulose
Valuation:
$8,700
Permit #:
EX-019776-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstripping cellulose
Valuation:
$9,200
Permit #:
EX-018617-2023
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstripping spray foam
Valuation:
$11,092
Permit #:
REP-23-1605
Status:
complete
Fee:
$89
Permit Type:
Other
Building Type:
N/A
Weatherization air sealing weatherstripping cellulose
Valuation:
$6,000
Permit #:
BLD-23-003091
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstripping cellulose
Valuation:
$5,540
Permit #:
BLD-21-005084
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Weatherization weather-stripping air-sealing cellulose
Valuation:
$9,000
Permit #:
R-25-0069
Status:
complete
Fee:
$90
Permit Type:
Weatherization
Building Type:
N/A
Repairs-weatherization insulation weather stripping and blown cellulose (978-831-1234)
Valuation:
$8,100
Permit #:
BLD-18-003820
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Insulate exterior walls with dense pack cellulose air seal where needed in attic/basement weather-strip exterior doors
Valuation:
$6,700
Permit #:
R-21-0213
Status:
final
Fee:
$84
Permit Type:
Weatherization
Building Type:
N/A
Insulate exterior walls with dense packed cellulose air seal basement ceiling where needed weather-strip 4 exterior doors
Valuation:
$6,700
Permit #:
R-21-0212
Status:
issued
Fee:
$84
Permit Type:
Weatherization
Building Type:
N/A
Weatherization air sealing weatherstrip cellulose
Valuation:
$8,900
Permit #:
R-23-0138
Status:
issued
Fee:
$89
Permit Type:
Weatherization
Building Type:
N/A
Weatherization air sealing weatherstripping cellulose
Valuation:
$3,200
Permit #:
BP-23-168
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing cellulose weatherstrips
Valuation:
$11,000
Permit #:
BP-23-59
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Weatherization air sealing weatherstrip cellulose
Valuation:
$6,800
Permit #:
RSP-23-0023
Status:
complete
Fee:
$122
Permit Type:
Insulation
Building Type:
N/A
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M.T. McMahons & Son, Inc Reviews
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M.T. McMahons & Son, Inc License info
Inactive License
| License # | NAT-36271-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for M.T. McMahons & Son, Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 903001 |
| Status | Inactive |
| State | California |
| Type | General Building |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for M.T. McMahons & Son, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are M.T. McMahons & Son, Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
519
Permits
- Building permit records show that M.T. McMahons & Son, Inc has worked on 519 permitted projects.
M.T. McMahons & Son, Inc Employees
MM
Michael Timothy Mcmahon
Sole Owner